#ifndef _STACK_H_
#define _STACK_H_
#include<iostream>
//#include<stack>
using namespace std;
#include<string>
template<typename T>
class Stack{
    private:
        T data;
    public:
        Stack(){}
        ~Stack(){}
        public:
        void push(T a){
            data=a;
        }
        T pop(){
            return data;
        }
};
#endif